Fill in the blank Tripling the radius of a sphere increases the surface area by a factor of?
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the surface area gets increased by 9 times.
4π(3r)²= 4π9r²
36πr²
=36πr²/4πr² = 9
4π(3r)²= 4π9r²
36πr²
=36πr²/4πr² = 9
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Answer:
36/4/~\ r2/4/~\r2=9 anss...
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